Information processing device, information processing method, and information processing system

Abstract

There is provided an information processing device enabling reduction in cost and identification of input devices, the information processing device including: a light emission control unit that performs control such that a first light emission instruction is output to a first input device, if first identification information has been received from the first input device; and a processing unit that associates first light emission position information with the first identification information, if the first light emission position information has been acquired, the first light emission position information indicating a position where light has been emitted by a first light emission unit of the first input device.

The invention claimed is: 
     
       1. An information processing device, comprising:
 a light emission control unit configured to perform control such that a first light emission instruction is output to a first input device if first identification information has been received from the first input device; 
 a processing unit configured to associate first light emission position information indicating a position where light has been emitted by a first light emission unit of the first input device, with the first identification information, if the first light emission position information has been acquired; and 
 a presentation control unit configured to perform control of a presentation according to state information on the first input device, 
 wherein the presentation is different from the light emitted by the first light emission unit, 
 wherein the state information is based on a state of bidirectional communication between the first input device and the information processing device, and 
 wherein the light emission control unit, the processing unit, and the presentation control unit are each implemented via at least one processor. 
 
     
     
       2. The information processing device according to  claim 1 , wherein the processing unit associates the first light emission position information with the first identification information, if the first light emission position information has been acquired in a first time period since the output of the first light emission instruction. 
     
     
       3. The information processing device according to  claim 2 , wherein the light emission control unit performs control such that a light emission stop instruction is output to the first input device, if the first light emission position information has not been acquired in the first time period since the output of the first light emission instruction. 
     
     
       4. The information processing device according to  claim 3 , wherein the light emission control unit performs control such that a second light emission instruction is output to a second input device different from the first input device after a second time period elapses from the reception of the first identification information, if second identification information has been received from the second input device in the second time period since the reception of the first identification information. 
     
     
       5. The information processing device according to  claim 4 , wherein the processing unit associates second light emission position information with the second identification information, if the second light emission position information has been acquired in a third time period since the output of the second light emission instruction, the second light emission position information indicating a position where light has been emitted by a second light emission unit of the second input device. 
     
     
       6. The information processing device according to  claim 1 , wherein the processing unit performs control such that a light emission stop instruction is output to the first input device, if time in which the first light emission position information is not acquired continues for more than a fourth time period after the acquisition of the first light emission position information. 
     
     
       7. The information processing device according to  claim 1 , wherein the presentation control unit performs control such that the presentation according to the state information on the first input device is executed by a presentation unit of the first input device,
 wherein the presentation control unit is implemented via at least one processor. 
 
     
     
       8. The information processing device according to  claim 7 , wherein the state of bidirectional communication is selected from a group consisting of:
 before the output of the first light emission instruction; 
 after the output of the first light emission instruction and before the acquisition of the first light emission position information; and 
 a state where the first light emission position information has been associated with the first identification information. 
 
     
     
       9. The information processing device according to  claim 7 , wherein the presentation is executed by use of a blinking pattern of an LED or a color of the LED. 
     
     
       10. The information processing device according to  claim 1 , further comprising:
 a presentation control unit configured to perform control such that presentation according to information related to handwriting with the first input device is executed by a presentation unit of the first input device, 
 wherein the presentation control unit is implemented via at least one processor. 
 
     
     
       11. The information processing device according to  claim 1 , wherein the processing unit associates the first light emission position information with the first identification information, if the first light emission position information has been acquired based on a captured image. 
     
     
       12. The information processing device according to  claim 1 , wherein the first input device is a pen-type input device. 
     
     
       13. The information processing device according to  claim 1 , wherein the processing unit associates the first light emission position information, the first identification information, and the information related to the handwriting with the first input device with one another, if the first light emission position information has been acquired. 
     
     
       14. The information processing device according to  claim 1 , wherein the first light emission unit is an infrared LED or a visible LED. 
     
     
       15. The information processing device according to  claim 1 , wherein the first identification information is transmitted from the first input device, if a predetermined operation has been detected by a detecting unit of the first input device. 
     
     
       16. The information processing device according to  claim 15 , wherein the detecting unit includes a switch, a pressure sensor, an electromagnetic induction sensor, or a capacitive sensor. 
     
     
       17. The information processing device according to  claim 1 , wherein the first identification information is received from the first input device by use of Bluetooth (registered trademark), Wi-Fi (registered trademark), ZigBee (registered trademark), infrared communication, or ultrasonic communication. 
     
     
       18. An information processing method, including:
 controlling such that a first light emission instruction is output to a first input device, if first identification information has been received from the first input device; 
 associating, by using a processor, first light emission position information with the first identification information, if the first light emission position information has been acquired, the first light emission position information indicating a position where light has been emitted by a first light emission unit of the first input device; and 
 controlling a presentation according to state information on the first input device, 
 wherein the presentation is different from the light emitted by the first light emission unit, and 
 wherein the state information is based on a state of bidirectional communication between the first input device and the information processing device. 
 
     
     
       19. An information processing system having an input device and an information processing device,
 wherein the input device comprises a control unit configured to perform control of transmission of identification information, 
 wherein the control unit performs the control such that a light emission unit emits light if a light emission instruction has been received from the input device, and 
 wherein the information processing device comprises:
 a light emission control unit configured to perform control such that the light emission instruction is output, if the identification information has been received; 
 a processing unit configured to associate light emission position information with the identification information, if the light emission position information has been acquired, the light emission position information indicating a position where light has been emitted by the light emission unit; and 
 a presentation control unit configured to perform control of a presentation according to state information on the input device, 
 
 wherein the presentation is different from the light emitted by the light emission unit, and 
 wherein the state information is based on a state of bidirectional communication between the input device and the information processing device. 
 
     
     
       20. The information processing system according to  claim 19 , wherein
 the information processing system has an imaging device, and 
 the processing unit associates the light emission position information with the identification information, if the light emission position information has been acquired based on an image captured by the imaging device.